Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung TV S64A chassis 20060428102249265_s64a_p_pcb_9_165
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PCB Diagram
9. PCB Diagram
9-1 Main Board
9-1-1 Assy Main Board
CN802 GT804
GT805 GT806
CN403
CN601
The System Board that Controls Various Signals for Video Signal Processing and Product Operations
9-1-2 Names & Roles of Key Parts
CN601 : This is a 4 pin port connected to the Speaker, and sends the signal from the AMP to the speakers.
CN403 : This is a 8 pin port connected to the CRT Board and supplies 200V, +16V, -16V and Heater voltage.
GT804 : This is a ground port to prevent high voltage due to lighting.
CN802 : This is a 3 pin port connected to the AC power cable. It is connected to the power cable socket.
GT805, GT806 : This is a port connected to the D-Coil surrounding the CRT.
Samsung Electronics 9-1
PCB Diagram
9-1-3 Main Board Connector Pin
CN401 CN601
Connected to the CRT Board Connected to the Speaker Port
PIN No. Pin Name PIN No. Pin Name
1 200V 1 R+
2 NC 2 R-
3 Heater 3 L+
4 GND 4 L-
5 -16.5V
6 +16.5V
7 GND
8 NC
9-2 Samsung Electronics
PCB Diagram
9-2 Feature Box Board
9-2-1 Assy Feature Box Board
CN05
CN03
This controls the path of the electron beams from the CRT electron guns using the deflection coil.
9-2-2 Names & Roles of Key Parts
* CN07 : This is a 14 pin port connected to the CRT Assy's, and outputs final R/G/B signals to the CRT Ass'y.
In addition, it outputs the Tilt, VM, and Power signals for the CRT Drive.
* CN05 : This is a 4 pin port connected to the Control Ass'y, and receives TV/Video, Menu, Ch Up/Down and Vol -/+ signals.
* CN03 : This is a 8 pin port connected to the Side AV, and receives S-Video2 and AV4 external inputs.
Samsung Electronics 9-3
PCB Diagram
9-2-3 Feature Box Board Connector Pin
CN07 CN05 CN03
Connected to the CRT Ass'y Connected to the Control Ass'y Connected to the Side AV Port
PIN No. Pin Name PIN No. Pin Name PIN No. Pin Name
1 AKB 1 GND 1 SV-C-IN
2 GND 2 KEY-1 2 SV-C-ID
3 B-OUT 3 NC 3 F-CVBS IN
4 GND 4 KEY-2 4 GND
5 G-OUT 5 FAV-L-IN
6 GND 6 GND
7 R-OUT 7 FAV-R-IN
8 GND 8 GND
9 12V_A
10 SVM
11 POWER
12 TILT
13 SVM
14 GND
9-4 Samsung Electronics
PCB Diagram
9-3 CRT Board
9-3-1 Assy CRT Board
FN1
CRT Drive
This supplies the final R/G/B signal from the F-Box and the CRT deflection signal to the CRT
9-3-2 Names & Roles of Key Parts
* GT501, GT502, GT505, GT506 : This is a port connected to the TBC-Wire and plays the role of CRT ground.
* GT503, GT504 : This is a port for countermeasures against compulsory discharges and is connected to the Main Board.
* CNC04 : This is a port to receive the R/G/B output signals from the Feature Box.
* CNC02 : This is a port that receives power for the CRT and AMP from the Main Board.
* FV1 : A port to connect the VM signal to the DY Ass'y.
* FN1 : A port to connect signals to the Tilt Coil and is regured for the screen slant adjustment.
Samsung Electronics 9-5
PCB Diagram
9-3-3 CRT Board Connector Pin
CNC04 CNC02
Connected to R/G/B signal from the Feature Box Connects the power from the Main Board
PIN No. Pin Name PIN No. Pin Name
1 AKB 1 200V
2 GND 2 NC
3 B-OUT 3 Heater
4 GND 4 GND
5 G-OUT 5 -16.5V
6 GND 6 +16.5V
7 R-OUT 7 GND
8 GND 8 NC
9 12V_A
10 SVM
11 POWER
12 TILT
13 SVM
14 GND
FV1 FN1
Connected the VM signal to the DY Ass'y Connects the signal to the Tilt Coil
PIN No. Pin Name PIN No. Pin Name
1 VM 1 GND
2 NC 2 GND
3 VM 3 TILT
4 TILT
9-6 Samsung Electronics
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